tcping.exe is a small console application that operates similarly to ‘ping’, however it works over a tcp port. Not a terribly interesting concept, but I had trouble finding a windows utility to do this that I was happy with.

in your address bar type in: about:config
Then navigate to this setting: browser.sessionhistory.max_total_viewers
it defaults to -1 which uses the max cache, change that to 0 to disable the feature and you’ll be sucking down less ram in no time. Restart the browser and you should be good to go.